(x-y)²×﹙y-x﹚³答案和过程

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(x-y)²×﹙y-x﹚³答案和过程
(x-y)²×﹙y-x﹚³答案和过程

(x-y)²×﹙y-x﹚³答案和过程
=(x-y)²[-(x-y)]³
=-(x-y)²(x-y)³
=-(x-y)的5次方